3_AVS-V2_MCT-UM-internal_EN_07-2019.pdf - 第110页

ASM AVS - U SER M ANUAL P AGE 110 OF 182 5.2.25.6 Printer Project Recipe-Tab (1) Sel ect m ea sure ment board: Choo se a bo ard from the list . T he bo ar d m ust b e co nfigu red in the dat abase an d as signe d to the …

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ASM AVS - USER MANUAL
PAGE 109 OF 182
5.2.25.4 Printer Project General-Tab
In this tab, there is no difference between the project of a placement machine and the pro-
ject of a printer. See 5.2.24.1.1.
5.2.25.5 Printer Project Machine-Tab
In this tab, there is no difference between the project of a placement machine and the pro-
ject of a printer. See 5.2.24.1.2.
ASM AVS - USER MANUAL
PAGE 110 OF 182
5.2.25.6 Printer Project Recipe-Tab
(1) Select measurement board:
Choose a board from the list. The board must be configured in the database and assigned to
the present AVS device. You can dedicate a second board to the project, in case that you like
to use a second board to accelerate the process.
(2) Stencil allocation:
Choose a stencil from the list. The stencil must be configured in the database and allocated
to the device.
(3) Paste allocation:
The paste or the glue which is used, must be entered in text format.
(4) The recipe list is empty at the beginning. Once you choose a Stencil from the list (2), the rec-
ipes which are connected to the stencil are being listed. Select one Recipe with the check-
box in the left side.
(5) In the Item configuration list, there is normally only one line, so there is not much to con-
figure. At this point you can change the specification for this project. And you can go back to
default spec. with the blue colored button above.
(6) In this table you find the information to the applications that are available on the stencil.
(7) Detailed information and layout of the selected recipe.
ASM AVS - USER MANUAL
PAGE 111 OF 182
5.2.25.7 Printer Project Analysis-Tab
As already mentioned in the introduction in 5.2.25.1, review / analysis of printer measure-
ments cannot be done in the same way as with a placement machine.
The single measurements, in the printer mode "Single", or several individual measurements in
the printer mode "Accumulate" are only used for setting the printer parameters, or for ad-
justing the offsets.
To evaluate the MCT, the printer mode "Point2Point" is required.
For details, see 5 Printer mode:
For example: A stencil (recipe) has 7x4 = 28 measurement points. So, 20 measurements for a
MCT, gives 560 measuring points.
To increase the safety on calculation, all 560 measuring points are used when calculating cm /
cmk values. But these are grouped first (1
st
point, 2
nd
point, ... to 28
th
point) and from each of
these groups, the standard deviation and average value are calculated. Subsequently, these
28 standard deviations are averaged to one standard deviation and also the 28 mean values
are summarized to one average mean value.
However, since this calculation cannot be represented graphically, there is a slight difference
between the statistical calculations and the graphical representation.
The graphs refer to a "Board2Board" view.
Board 2 Board:
Point 2 Point:
1
X-, Y-
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Measurement
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28
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28
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X-, Y-
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28
times
Offset X
Offset Y
Offset X
Offset Y
Offset X
Offset Y
Offset X
Offset Y
Standard Deviation
and Mean Value
of 20 Board Offsets
1
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Measurement
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28
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28
times
Standard Deviation
Mean Value
1. point
1 Standard Deviation
and 1 Mean Value,
as an average of
56 Standard Deviations
and 56 Mean Values
(28 * X and Y)
of 28 Point-Offsets
over all 20
measurements
Standard Deviation
Mean Value
2.point
Standard Deviation
Mean Value
3 point
Standard Deviation
Mean Value
28.point